/*
 * Copyright 2009 XueSong Guo.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.webwheel.di.utils;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;

/**
 * 用于方便获得泛型类型的辅助类。<br>
 * 创建此类的子类以获得泛型类型。
 */
@SuppressWarnings("UnusedDeclaration")
abstract public class TypeLiteral<T> {

    private Type type;

    public TypeLiteral() {
        type = ((ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];
    }

    /**
     * 获得当前类的泛型参数类型。
     * @return 泛型参数类型
     */
    public Type getType() {
        return type;
    }
}
